Device Timing: Setup & Hold Times

• FASTEST:

  • An IOE Register, but a Hold Time Will Exist (FLEX 8000)

• FAST:

  • Dedicated Input for Data, Registered in an LE, but a Hold Time May Exist

• LEAST FAST:

  • Row Input for Data, Registered in an LE, but a Hold Time May Exist
  • Column Input for Data, Registered in an LE; Hold Time Is Zero

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